<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
   <form action="login" method="post">
     <input type="text" name="username">
     <input type="password" name="password">
     <input type="submit" value="登录">
   </form>
</body>
</html>